Operating System (OS)
Which of the following are loaded into main memory when the computer is booted?

utility programs
None of these
internal command instructions
external command instructions
word processing instructions

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Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

the number of control lines is independent of the number of devices on the chain
the failure of one device may affect other devices on the chain
None of these
it is relatively easy to add more devices to the chain
priority is programmable

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

many functions do not have to be implemented twice.
All of these
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
None of these

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Operating System (OS)
Memory management is :

critical for even the simplest operating systems
not used in modern operating system
None of these
replaced with virtual memory on current systems
not used on multiprogramming systems

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